Multiply a two-digit number by a one-digit number:

Multiplying two digit by one digit numbers
How to multiply a two digit number by a one digit number
(for example 43 x 2).

• Place one number above the other so that the ones' place digits are lined up. Draw a line under the bottom number.

  •  43
    x 2__

• Multiply the ones' place digits (3 x 2 = 6). Place the six below the line in the ones' place column.

  •  43
    x 2__
     6

• Multiply the digit in the tens' place column (4) by the digit in the ones' place of the second number (2). The result is 4 x 2 = 8. Place the answer below the line and to the left of the 6.

  •  43
    x 2__
     86